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    "when you are using a handler, it is, in fact, just a connection which points to a specific position in an open file. So when the file have been read entirely or if you just want to point to the a specific position you could use the method seek to change the position of the pointer.\n",
    "\n",
    "`.seek(0)` just replace the pointer at the begining of the file and is equivalent of doing `.close()` then `.open()`."
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